<KoenigBasicHtmlInput
    @html={{this.caption}}
    @placeholder={{if this.isFocused "" this.placeholder}}
    @class="miw-100 tc bn form-text bg-transparent"
    @name="caption"
    @onChange={{action this.update}}
    @onFocus={{action (mut this.isFocused) true}}
    @onBlur={{action (mut this.isFocused) false}}
    @onNewline={{action "handleEnter"}}
    @didCreateEditor={{action "registerEditor"}}
/>